ACF field integration for address lookup providers.

jhackett1

WP Geo search

Add location-aware geographical search to WP_Query. You can use it to power location-aware apps, such as showing a user results near them.

Justin Kruit

<p>Address Lookup field for ACF adds an address lookup field type to Advanced Custom Fields. Users can search for addresses directly within the editor, and the field returns structured address data including coordinates.</p>
<p>The plugin uses <a href="https://nominatim.openstreetmap.org/" rel="nofollow ugc">Nominatim (OpenStreetMap)</a> as the default lookup provider, and supports registering custom providers.</p>
<p>The plugin also includes support for the <a href="https://photon.komoot.io/" rel="nofollow ugc">Photon</a> geocoding provider out of the box. You can choose between Nominatim and Photon, or register your own providers.</p>
<h4>Features</h4>
<ul>
<li><strong>Live address search</strong> — AJAX-powered search as you type, using Select2.</li>
<li><strong>Structured data</strong> — Returns a normalized array with display name, coordinates (lat/lon), house number, road, city, state, postcode, and country.</li>
<li><strong>Country code filtering</strong> — Limit search results to specific countries.</li>
<li><strong>Language support</strong> — Set the preferred language for results.</li>
<li><strong>Extensible provider system</strong> — Register your own address lookup providers via the <code>address_lookup_for_acf/register_providers</code> action.</li>
<li><strong>REST API support</strong> — Field values are exposed in the REST API.</li>
<li><strong>Photon provider</strong> — Use the Photon geocoding service as an alternative to Nominatim.</li>
</ul>
<h4>Usage</h4>
<ol>
<li>Install and activate the plugin.</li>
<li>Create or edit an ACF field group.</li>
<li>Add a new field and select the <strong>Address</strong> field type.</li>
<li>Optionally configure country code filtering and language.</li>
<li>Use <code>get_field()</code> or <code>the_field()</code> in your templates — the value is returned as an associative array.</li>
</ol>
<h4>Template example</h4>
<pre><code>$address = get_field('my_address_field');
</code></pre>
<p>The returned array has the following structure:</p>
<pre><code>[
    'display_name'  => 'Example Street 1, City, Country',
    'coordinates'   => ['lat' => '52.370216', 'lon' => '4.895168'],
    'house_number'  => '1',
    'street'        => 'Example Street',
    'city'          => 'City',
    'state'         => 'State',
    'postcode'      => '1234 AB',
    'country'       => 'Country',
]
</code></pre>
<h4>Custom providers</h4>
<p>You can register a custom address lookup provider by hooking into the <code>jk_address_lookup_for_acf/register_providers</code> action:</p>
<pre><code>add_action('jk_address_lookup_for_acf/register_providers', function ($registry) {
    $registry->register(new MyCustomProvider());
});
</code></pre>
<p>Your provider must extend <code>justinkruit\AddressLookupForAcf\Providers\AbstractProvider</code> and implement the <code>name()</code>, <code>label()</code>, and <code>search()</code> methods.</p>
<h4>Filters</h4>
<ul>
<li><code>jk_address_lookup_for_acf/nominatim_url</code> — Override the Nominatim API base URL (e.g. to use a self-hosted instance).</li>
<li><code>jk_address_lookup_for_acf/nominatim_url_vars</code> — Modify the query parameters sent to the Nominatim API.</li>
<li><code>jk_address_lookup_for_acf/photon_url</code> — Override the Photon API base URL (e.g. to use a self-hosted instance).</li>
<li><code>jk_address_lookup_for_acf/photon_url_vars</code> — Modify the query parameters sent to the Photon API.</li>
</ul>
<p>Both filters also support ACF’s field-specific variations by type, name, and key.</p>
<h3>External services</h3>
<p>This plugin connects to third-party external services to perform address lookups. No data is sent automatically; requests are only made when an admin user actively searches for an address in the ACF field editor. The search query text is sent to the configured provider’s API.</p>
<p>Below is a list of each provider, what additional data is sent, how to override the API URL, and links to their terms and privacy policies.</p>
<h4>Nominatim (OpenStreetMap)</h4>
<p>Service: <a href="https://nominatim.openstreetmap.org/" rel="nofollow ugc">Nominatim</a> by the OpenStreetMap Foundation: used for geocoding address searches.</p>
<p>Additional data sent: configured country code(s) and language preference (if set in the field settings).</p>
<p>Override URL: use the <code>jk_address_lookup_for_acf/nominatim_url</code> filter to point to a self-hosted instance.</p>
<p>Policies:</p>
<ul>
<li><a href="https://operations.osmfoundation.org/policies/nominatim/" rel="nofollow ugc">Nominatim Usage Policy</a></li>
<li><a href="https://osmfoundation.org/wiki/Terms_of_Use" rel="nofollow ugc">OpenStreetMap Foundation Terms of Use</a></li>
<li><a href="https://osmfoundation.org/wiki/Privacy_Policy" rel="nofollow ugc">OpenStreetMap Foundation Privacy Policy</a></li>
</ul>
<h4>Photon</h4>
<p>Service: <a href="https://photon.komoot.io/" rel="nofollow ugc">Photon</a> by Komoot: used for geocoding address searches, powered by OpenStreetMap data.</p>
<p>Additional data sent: configured country code(s) and language preference (if set in the field settings).</p>
<p>Override URL: use the <code>jk_address_lookup_for_acf/photon_url</code> filter to point to a self-hosted instance.</p>
<p>Policies:</p>
<ul>
<li><a href="https://photon.komoot.io/" rel="nofollow ugc">Photon Terms of Service</a></li>
<li><a href="https://www.komoot.com/privacy" rel="nofollow ugc">Komoot Privacy Policy</a></li>
</ul>


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